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CISA

Security team monitoring TeamCity build server dashboards and network alerts in an operations center

CISA Flags TeamCity CVE-2026-63077 RCE Flaw Under Active Exploitation

CISA has confirmed active exploitation of a critical TeamCity deserialization vulnerability, CVE-2026-63077. Here is what website owners and DevOps teams running on-premise build servers need to do next.

Security analyst reviewing CISA Known Exploited Vulnerabilities catalog entries on a dual-monitor workstation inside a dimly

CISA Adds Langflow, Tomcat, and N-central Flaws to the KEV Catalog: What Website Owners Should Do

On August 5, 2026, CISA added three actively exploited flaws to its KEV catalog, including a critical Langflow RCE, an Apache Tomcat path handling bug, and an N-central remote code execution chain. Here is what hosting customers and developers should patch first.